Definición de factionalize en inglés:

verbo

But it can also be argued, as Radosh does not, that the guerrillas were simply too factionalized and ideologically divided to animate a mass movement.

Would they factionalise and segment, or unify?

The remaining true humans had by this time colonized a different planet, named it ‘New Earth,’ and quickly factionalized along the old nationalistic lines that had caused so much war in the first place.